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Ed Joyce

Orange County restaurants currently display health ratings, but don't use letter grades, like many other major municipalities nationwide. The Orange County Grand Jury recommended the health inspection signs posted at restaurants be changed to include a color-coded system, which is used by several counties in the state. Mario Tama/Getty Images

A county spokeswoman said the supervisors voted 3-1-1 to have the Environmental Health Division's Health Care Agency, which oversees the restaurant health inspections, incorporate the color coding onto the current county seals for the health inspection placards. The agency is expected to include that change in a formal response to the Grand Jury.

The supervisors are required to respond to the recommendations by June 3 and are expected to vote on the amended response, which includes the color-coding, sometime in May, according to the county spokeswoman.

In 2008, the Grand Jury suggested color-coding or the use of letter grades but the supervisors failed to implement those changes.